Use of hydroxychloroquine and chloroquine in patients with COVID-19: a meta-analysis of randomized clinical trials.

COVID-19 has quickly become a public health problem worldwide, and treatment for this new disease is needed. Hydroxychloroquine is an antimalarial that studies have shown action against SARS-CoV-2, which is why it has been the target of clinical studies with conflicting results. Therefore, the aim of this systematic review was to assess the association of hydroxychloroquine use with the virological cure, clinical recovery, mortality, and development of adverse effects in patients with COVID-19.